System Administration

Job Title: Systems Administrator - L1

Location: Remote
Experience: 2 - 3 years in a system administration role, supporting a large cluster of servers in web/hosting environments, monitoring infrastructure hosted in on-premises data centres and Cloud Infrastructure (OCI, AWS or Azure).
- Roles & Responsibilities:

- 1. System Monitoring and Support:
- Continuously monitor on-premises and cloud infrastructure using tools like Grafana, Zabbix and any Cloud monitoring tools.- Proactively identify, troubleshoot, and resolve system issues to ensure maximum uptime.
- 2. Cloud Infrastructure Administration:
- Configure and manage cloud services such as Compute Instances, Block Volumes, Object Storage, VCNs (Virtual Cloud Networks), and Load Balancers.- Implement and manage IAM Policies, Compartments, and Tagging for resource organization and access control.- Optimize cloud resources for cost and performance using tools like Cost Analysis.- Configure and maintain Database Services, such as Autonomous Databases and DB Systems.
- 3. Infrastructure as Code (IaC):
- Use Terraform to manage and provision cloud infrastructure.- Write, assess, and maintain Terraform scripts for scalable and consistent deployments.- Collaborate with DevOps teams to adopt and refine infrastructure best practices.
- 4. Incident and Change Management:
- Manage incidents, service requests, and changes via ServiceNow ITSM tools.- Collaborate with teams to resolve complex technical challenges within SLAs.
- 5. Automation and Scripting:
- Develop and maintain scripts in Bash, Python, PERL, Ruby, or similar languages to automate routine tasks.- Enhance operational processes to improve system performance and team efficiency.
- 6. Documentation and Reporting:
- Maintain accurate documentation of system processes, configurations, and incident resolutions.- Share knowledge with team members to foster collaboration and faster problem resolution.**Required Skills**:
- Proven experience in system administration across on-premises and cloud environments.- Linux/Unix fundamentals, File Systems troubleshooting, good understanding of the various tools / services that are available by default with the Operating system.- Good understanding of Linux Systems implies understanding these and more Any Shell/Bash, sed/awk/grep/egrep, VI/VIM/Emacs, netstat, lsof, strace, ps/top/atop/dstat, grub boot config & systems rescue, fstab/disk labels, ext3/ext4, IPtables, sysstat (sar/vmstat/iostat etc), run levels & startup scripts, sudo/chroot/chkrootkit/rkhunter.- Knowledge of concepts like DNS, HTTP, TCP/UDP.- Understanding of RAID/DAS/SAN/NAS storage solutions.- Exposure to database servers such as MySQL- Intermediate level skills managing web servers running Apache, Nginx, BIND, Exim, Dovecot etc.- Familiar with Firewall tools like iptables, CSF, LFD- Hands-on experience with cloud services such as Compute, Block Volumes, Object Storage, Networking (VCNs, Subnets, Security Lists, and DRG), and Load Balancers.- Knowledge working with Terraform and automation tools like cloud CLI.- Experience with monitoring tools like Grafana, Zabbix, and Cloud Monitoring.- Familiarity with OCI security features, including IAM Policies, KMS, and Vault Services.- Experience with ServiceNow ITSM or equivalent tools.
- Desirable Skills:
- Certifications: (preferred not mandatory)- Cloud Infrastructure Certified Associate/Professional. (OCI/AWS/Azure)- Red Hat Certified System Administrator (RHCSA) or equivalent.- Advanced scripting capabilities in languages like Python, Bash, Go, PHP etc.
- Soft Skills:
- Strong analytical, troubleshooting, and problem-solving abilities.- Excellent communication and collaboration skills.

Work Conditions:
- Willingness to work shifts and participate in a 24/7 on-call rotation.- Ability to thrive in a fast-paced and dynamic environment.